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Klio2033 [76]
4 years ago
6

Which statements describe how chemical formulas, such as H2O, represent compounds? Check all that apply.

Physics
2 answers:
Pani-rosa [81]4 years ago
5 0

The statements that apply in this case are:

They show the elements that make up a compound.

They show the types of atoms that make up a molecule.

They show the number of each type of atom in a molecule.

posledela4 years ago
3 0

Answer:its the second one

Explanation:

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An elevator lifts a person 24.4 m with a force of 300. N in 15.0 s. What is the power of the elevator?
scoray [572]
We have: Power = Force × Displacement/Time
Here, Force = 300 N
Displacement = 24.4 m
Time = 15 s

Substitute their values in the formula:
P = 300 × 24.4/15
P = 20 × 24.4
P = 488

Finally, Option B is your final answer.

Hope this helps!!
8 0
3 years ago
What is the term for the matter through which a mechanical wave travels?
pav-90 [236]
The answer is “ The medium”
7 0
3 years ago
*Urgent* I WILL GIVE BRAINLIEST
Butoxors [25]

Answer:

walking to school

Explanation:

Driving a car to school

, and taking the bus to school​ both take up energy, unlike walking to school.

unless ur talking about energy, counting energy you produce and use to complete things, then it would be the 3rd one, taking the bus to school.

4 0
3 years ago
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Answer:if you go to g○○gle there's a camera icon next to the search bar, click on that and take a photo of your test, then they'll find the answers that other people answered or needed, hope that helps

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8 0
3 years ago
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When a small object is launched from the surface of a fictitious planet with a speed of 52.9 m/s, its final speed when it is ver
NISA [10]

Answer:

The escape speed of the planet is 41.29 m/s.

Explanation:

Given that,

Speed = 52.9 m/s

Final speed = 32.3 m/s

We need to calculate the launched with excess kinetic energy

Using formula of kinetic energy

K.E=\dfrac{1}{2}mv^2

K.E=\dfrac{1}{2}\times m\times(32.3)^2

We need to calculate the escape speed of the planet

Using formula of kinetic energy

\text{escape kinetic energy}=\text{launch kinetic energy}-\text{excess kinetic energy}

\dfrac{1}{2}mv^2=\dfrac{1}{2}mv^2-\dfrac{1}{2}mv^2

\dfrac{1}{2}\times v^2=\dfrac{1}{2}\times(52.9)^2-\dfrac{1}{2}\times(32.3)^2

v=\sqrt{2\times(\dfrac{1}{2}\times(52.9)^2-\dfrac{1}{2}\times(32.3)^2)}

v=41.29\ m/s

Hence, The escape speed of the planet is 41.29 m/s.

4 0
3 years ago
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